RFmxInstr Check if List Exists VI
- Updated2025-10-13
- 3 minute(s) read
Returns whether the list you specify in the List Name parameter exists, and also returns the corresponding personality of the list, if the list exists. This VI does not support an empty ("") list name.

Inputs/Outputs
Instrument Handle In
—
Instrument Handle In identifies the instrument session. Instrument Handle In is obtained from the RFmxInstr Initialize NIRFSA VI or the RFmxInstr Initialize NIRFSA (Array) VI.
List Name
—
List Name specifies the name of the list. This parameter accepts the list name with or without the "list::" prefix. Example: "list::samplelist1" "samplelist1"
error in (no error)
—
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
Instrument Handle Out
—
Instrument Handle Out passes a reference of the instrument session to the next VI.
List Exists?
—
List Exists? indicates whether the list exists or not.
Personality
—
Personality indicates the personality of the list if the list exists.
error out
—
error out contains error information. This output provides standard error out functionality. |
Instrument Handle In
—
List Name
—
error in (no error)
—
Instrument Handle Out
—
List Exists?
—
Personality
—
error out
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